US10969373B2 - System and method for wireless portable gas detecting and communication - Google Patents
System and method for wireless portable gas detecting and communication Download PDFInfo
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- US10969373B2 US10969373B2 US16/258,089 US201916258089A US10969373B2 US 10969373 B2 US10969373 B2 US 10969373B2 US 201916258089 A US201916258089 A US 201916258089A US 10969373 B2 US10969373 B2 US 10969373B2
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- low cost
- sensor unit
- sensed data
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- portable gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0022—General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
Definitions
- gas detectors In hazardous work environments, workers may carry gas detectors with them as they work, to allow for detection of gas exposure.
- the gas detector may alert the user if exposure limits are reached while the user is wearing the gas detector.
- Gas detectors may comprise interfaces for communicating with the user, such as displays, lights, buzzers, and input buttons. Gas detectors may be configured with settings for alarms, exposure limits, display settings, light and buzzer settings, etc.
- a communication system may comprise one or more of the following one or more low cost sensor unit (LCSU) configured to detect one or more characteristics of the environment; one or more portable gas detector configured to be carried by a worker in the work environment, and comprising at least one sensor element, a display, and a wireless communication module; and one or more mobile device to be carried by a worker in the work environment, and comprising a display and a wireless communication module, wherein at least one of the portable gas detector and the mobile device is configured to receive sensed data from the one or more low cost sensor unit, process the received sensed data, and display the received sensed data to the worker.
- LCSU low cost sensor unit
- a method of communicating sensed data may comprise detecting, by one or more low cost sensor unit, one or more characteristics of the environment; sensing, by one or more portable gas detector, one or more characteristics so the environment, wherein the one or more portable gas detector is carried by a worker and comprises at least one sensor element, a display, and a wireless communication module; receiving, by at least one of a portable gas detector and a mobile device, sensed data from the one or more low cost sensor unit; processing the received sensed data from the one or more low cost sensor unit and the one or more portable gas detector; and displaying the received sensed data to the worker.
- a portable gas detection system may comprise one or more low cost sensor unit configured to detect one or more characteristics of a work environment; communicate with at least one of a portable gas detector and a mobile device carried by a worker in the work environment; and send sensed data to at least one of the portable gas detector and the mobile device carried by a worker in the work environment, wherein at least one of the portable gas detector and the mobile device is configured to receive sensed data from the one or more low cost sensor unit, process the received sensed data, and display the received sensed data to the worker.
- FIG. 1 illustrates a communication system according to an embodiment of the disclosure.
- FIG. 2A illustrates a menu display of a portable gas detector according to an embodiment of the disclosure.
- FIG. 2B a device list display of a portable gas detector according to an embodiment of the disclosure.
- FIG. 2C a dashboard display of a portable gas detector according to an embodiment of the disclosure.
- FIG. 3 illustrates a low cost sensor unit according to an embodiment of the disclosure.
- component or feature may,” “can,” “could,” “should,” “would,” “preferably,” “possibly,” “typically,” “optionally,” “for example,” “often,” or “might” (or other such language) be included or have a characteristic, that particular component or feature is not required to be included or to have the characteristic. Such component or feature may be optionally included in some embodiments, or it may be excluded.
- Embodiments of the disclosure include systems and methods for increasing the detection capabilities of a gas detector device, for example, a portable gas detector that may be carried by a worker within a work environment.
- a portable gas detection system may comprise low cost sensor units (LCSUs), wearable display units, and/or portable gas detectors.
- LCSUs low cost sensor units
- a user of a wearable display unit and/or portable gas detector may select among different LCSUs to obtain current (or saved) target gas concentration readings.
- a wearable display unit and/or portable gas detector can also generate and display average data obtained from multiple LCSUs.
- Typical portable gas detectors may have limitations for the number of sensors which may be included in the portable gas detector, based on the size, weight, and other capacities of the portable gas detector. Additionally, typical portable gas detectors may have (semi) permanently fixed gas sensors installed within the portable gas detector, which limit the gas detector to just those specific gases than can be detected by the specific sensors. This would mean a customer, or user, would need to buy multiple types of portable gas detectors to cover a wider range of target gases. The customer may have to buy multiple individual gas detectors based on the sensor requirements. This may add cost to the customer.
- Embodiments of the disclosure include systems and methods for extending or increasing (virtually) the sensing capabilities of one or more portable gas detectors and/or other mobile or wearable devices.
- the virtual extension of a portable gas detector may not add to individual materials cost of the unit nor will it degrade the performance of existing portable gas detectors.
- the disclosed systems and methods may have improved utilization of software resources, time savings in terms of re-configuration of devices, and an improved user experience.
- a user may be able to access gas sensor readings without having the sensors physically in a device the user is carrying (e.g., portable gas detector, mobile device, wearable device).
- Individual LCSUs with a low range wireless connectivity can function as virtual sensor array units, wherein the LCSUs may comprise one or more sensor elements and one or more wireless communication modules.
- the LCSUs can be automatically detected (and possibly automatically connected to) by portable gas detectors (or other mobile devices), where the portable gas detectors may comprise one or more wireless communication modules.
- the user can use a display of the portable gas detector (or other mobile devices) to select from the available and wirelessly connected LCSUs, which may be installed in the vicinity, to obtain a target gas concentration reading.
- the LCSUs may be different from typical fixed gas detectors in terms of cost, features, and form factor.
- the LCSUs may be easily carried and installed at strategic locations in the work environment by a user without having any formal training related to installation. In short, LCSUs are low cost, miniature portable units which can be carried by the user like personal equipment, but the data is accessed by multiple users.
- a portable gas detector may be configured to receive and analyze the sensed data from multiple LCSUs and display the analyzed data to the user via a display of the portable gas detector.
- a user or worker could carry a mobile device and/or wearable display unit (which may or may not comprise sensors within the mobile device or wearable display unit) configured to wirelessly communicate with the LCSUs within range of the wearable display unit.
- the wearable display unit may be configured to receive and analyze the sensed data from multiple LCSUs and display the analyzed data to the user via a display of the wearable display unit.
- the portable gas detector and/or wearable display unit
- a communication system 100 may comprise a plurality of portable gas detectors 102 carried by users within a work environment.
- the communication system 100 may exist within a work environment.
- a portable gas detector 102 may comprise a display 104 (which may also be called a user interface, and may include other elements of a user interface, such as buttons, lights, indicators, etc.) configured to allow a user to interact with the portable gas detector 102 .
- the portable gas detector(s) 102 may comprise a memory, processor, and/or communication modules configured to receive sensed data, send sensed data, store sensed data, process (analyzed) sensed data, etc.
- the gas detector(s) 102 may comprise at least one sensor element configured to detect a characteristic of the surrounding environment (e.g., gas, temperature, humidity, pressure, etc.).
- the communication system 100 may also comprise a plurality of LCSUs 110 (or another similar type of sensor unit) that may be placed in strategic locations throughout the work environment.
- the LCSUs 110 may be semi-permanently placed in a location or may be in a fixed location (where the LCSU 110 may be moved around to different areas of the work environment, but may be placed in a location for an extended period of time, and may not typically be carried by a worker in the same way as the portable gas detector 102 , mobile device 120 and/or wearable device 130 ).
- the LCSUs 110 may be located based on expected gas detection, known potential hazards, or other characteristics of the work environment.
- the LCSUs 110 may comprise a memory, a processor, and/or communication modules configured to receive sensed data, send sensed data, store sensed data, process (analyze) sensed data, etc.
- the LCSUs 110 may comprise at least one sensor element configured to detect a characteristic of the surrounding environment (e.g., gas, temperature, humidity, pressure, etc.).
- the communication system 100 may be facilitated by a wireless router 101 or other wireless communication system.
- the wireless means of communication may comprise Bluetooth (BLE), Wi-Fi, Li-Fi, LTE, mesh-network, etc.
- the wireless router 101 may facilitate communication between the portable gas detectors 102 , LCSUs 110 , and any other computers, monitors, central stations, etc., that may be located within the work environment.
- the LCSUs may be equipped with one or more gas sensors (or other sensor elements configured to detect environmental conditions).
- the LCSUs 110 may be equipped with one or more gas sensors that are not included in the portable gas detector(s) 102 , so that the data collected by the LCSUs 110 may supplement the data collected by the portable gas detectors 102 .
- the LCSUs 110 may comprise a first gas detector configured to detect a first gas
- the portable gas detector(s) 102 may comprise a second gas detector configured to detect a second gas that is different from the first gas.
- a portable gas detector 102 may be configured to receive sensed data from one or more LCSU 110 via a wireless connection.
- the portable gas detector 102 may be configured to analyze the data received from the LCSUs 110 , and optionally generate a display screen that includes the analyzed data from the LCSUs 110 .
- the portable gas detector 102 may display a list of the current LCSUs 110 that are connected to the portable gas detector 102 (or optionally have at least at one time been connected to the portable gas detector 102 ).
- a user may be able to display the sensed data from a specific LSCU 110 using the display and/or list of the LCSUs.
- a user may be able to display a summary of all of the sensed data collected by the gas detector 102 , from the sensors within the gas detector 102 and/or the LSCUs 110 .
- the communication system 100 may also comprise one or more mobile devices 120 with display 124 configured to wirelessly communicate with other devices within the communication system 100 , as described above. In some embodiments, the communication system 100 may also comprise one or more wearable device 130 with display 134 configured to wirelessly communicate with other devices within the communication system 100 , as described above.
- a typical portable gas detector 102 may be capable of holding up to five sensor elements (as an example), where any more sensor elements may cause the gas detector to be too large and/or heavy to be feasibly portable.
- the LSCUs 110 could be larger or heavier than the portable gas detector 102 , since they will not be carried by the user while working, and may be placed in fixed locations within the work environment, but may be relocated to another location within the work environment. The LSCUs 110 may be easily moved to another location, but may also not be regularly carried by a worker.
- the sensor elements that are located within the LCSUs 110 may comprise duplicate sensors (i.e., sensors configured to detect the same target gas or other environment characteristic) to other sensors in the same LCSU 110 , other LCSUs 110 , and/or the portable gas detectors 102 within the communication system 100 .
- the duplication of sensor elements may provide a safety backup measure in the event that one of the sensor elements fails.
- the duplication and safety backup may be useful for sensors configured to detect critical data, such as oxygen sensors, particularly harmful gas sensors, etc.
- FIGS. 2A-2C exemplary displays 104 of the portable gas detector 102 are shown.
- FIG. 2A illustrates an exemplary menu display.
- FIG. 2B illustrates an exemplary device list display (e.g., a list of LCSUs connected to the gas detector 102 ).
- FIG. 2C illustrates an exemplary dashboard display comprising sensed data information (where the sensed data may be detected by the gas detector 102 and/or LCSUs in communication with the gas detector 102 ).
- the LSCU 110 may comprise one or more sensor elements 112 configured to detect a target gas (and/or another environmental characteristic).
- the LCSU 110 may comprise one or more pumps configured to direct sample gas toward (and/or away from) the sensor elements 112 .
- the sensor elements 112 may be replaceable and/or interchangeable, such that the LSCU 110 may be configured based on the needs of the user and the work environment.
- the LSCU 110 may comprise an electronics unit 114 configured to receive data from the one or more sensor elements 112 and communicate the received data (possibly to a portable gas detector).
- the electronics unit 114 of the LSCU 110 may comprise a signal conditional circuit (SCC) and/or one or more wireless communication modules.
- the LCSU 110 may be compact and easy to place at a strategic location within a work environment.
- a communication system may comprise one or more of the following: one or more low cost sensor unit (LCSU) configured to detect one or more characteristics of the environment; one or more portable gas detector configured to be carried by a worker in the work environment, and comprising at least one sensor element, a display, and a wireless communication module; one or more mobile device to be carried by a worker in the work environment, and comprising a display and a wireless communication module; one or more wearable device to be worn (and therefore carried) by a worker in the work environment, and comprising a display and a wireless communication module, wherein at least one of the portable gas detector, mobile device, and/or wearable device is configured to receive sensed data from the one or more LCSU, process the received sensed data, and display the received sensed data to the worker.
- LCSU low cost sensor unit
- exemplary embodiments or aspects can include, but are not limited to:
- a communication system may comprise one or more of the following one or more low cost sensor unit (LCSU) configured to detect one or more characteristics of the environment; one or more portable gas detector configured to be carried by a worker in the work environment, and comprising at least one sensor element, a display, and a wireless communication module; and one or more mobile device to be carried by a worker in the work environment, and comprising a display and a wireless communication module, wherein at least one of the portable gas detector and the mobile device is configured to receive sensed data from the one or more low cost sensor unit, process the received sensed data, and display the received sensed data to the worker.
- LCSU low cost sensor unit
- a second embodiment can include the communication system of the first embodiment, wherein the one or more mobile device comprises one or more wearable device configured to be worn by a worker in the work environment.
- a third embodiment can include the communication system of the first or second embodiments, wherein the one or more mobile device comprises a smartphone carried by the worker.
- a fourth embodiment can include the communication system of any of the first through third embodiments, wherein the one or more low cost sensor unit comprises a plurality of gas sensors configured to detect a plurality of gases.
- a fifth embodiment can include the communication system of the fourth embodiment, wherein the plurality of sensor elements comprise replaceable or interchangeable sensor elements.
- a sixth embodiment can include the communication system of the fourth or fifth embodiments, wherein the plurality of sensor elements comprise at least two sensors configured to detect the same target gas.
- a seventh embodiment can include the communication system of any of the fourth through sixth embodiments, wherein the one or more low cost sensor unit comprises a first gas sensor configured to detect a first gas, and wherein the one or more portable gas detector comprises a second gas sensor configured to detect a second gas that is different from the first gas.
- An eighth embodiment can include the communication system of any of the first through seventh embodiments, wherein the one or more low cost sensor unit comprises an electronics unit configured to communicate with one or more sensors and configured to communicate sensed data from the one or more sensors to at least one of the portable gas detector and the mobile device.
- the one or more low cost sensor unit comprises an electronics unit configured to communicate with one or more sensors and configured to communicate sensed data from the one or more sensors to at least one of the portable gas detector and the mobile device.
- a ninth embodiment can include the communication system of the eighth embodiments, wherein the electronics unit comprises a wireless communication module.
- a method of communicating sensed data may comprise detecting, by one or more low cost sensor unit, one or more characteristics of the environment; sensing, by one or more portable gas detector, one or more characteristics so the environment, wherein the one or more portable gas detector is carried by a worker and comprises at least one sensor element, a display, and a wireless communication module; receiving, by at least one of a portable gas detector and a mobile device, sensed data from the one or more low cost sensor unit; processing the received sensed data from the one or more low cost sensor unit and the one or more portable gas detector; and displaying the received sensed data to the worker.
- An eleventh embodiment can include the method of the tenth embodiment, wherein displaying the received sensed data to the worker comprises displaying the received sensed data on the portable gas detector.
- a twelfth embodiment can include the method of any of the tenth through eleventh embodiments, wherein displaying the received sensed data to the worker comprises displaying the received sensed data on mobile device.
- a thirteenth embodiment can include the method of the twelfth embodiment, wherein the one or more mobile device comprises one or more wearable device configured to be worn by a worker in the work environment.
- a fourteenth embodiment can include the method of the twelfth or thirteenth embodiments, wherein the one or more mobile device comprises a smartphone carried by the worker.
- a fifteenth embodiment can include the method of any of the tenth through fourteenth embodiments, further comprising detecting a first gas via a first gas sensor of the one or more low cost sensor unit; and detecting a second gas via a second gas sensor of the one or more portable gas detector, wherein the second gas is different from the first gas.
- a portable gas detection system may comprise one or more low cost sensor unit configured to detect one or more characteristics of a work environment; communicate with at least one of a portable gas detector and a mobile device carried by a worker in the work environment; and send sensed data to at least one of the portable gas detector and the mobile device carried by a worker in the work environment, wherein at least one of the portable gas detector and the mobile device is configured to receive sensed data from the one or more low cost sensor unit, process the received sensed data, and display the received sensed data to the worker.
- a seventeenth embodiment can include the portable gas detection system of the sixteenth embodiment, further comprising one or more portable gas detector configured to be carried by a worker in the work environment, and comprising at least one sensor element, a display, and a wireless communication module; and one or more mobile device to be carried by a worker in the work environment and comprising a display and a wireless communication module.
- An eighteenth embodiment can include the portable gas detection system of the sixteenth or seventeenth embodiments, wherein the one or more low cost sensor unit comprises a first gas sensor configured to detect a first gas, and wherein the first gas is different from a second gas, wherein the second gas is detected by a second gas sensor of the one or more portable gas detector.
- the one or more low cost sensor unit comprises a first gas sensor configured to detect a first gas, and wherein the first gas is different from a second gas, wherein the second gas is detected by a second gas sensor of the one or more portable gas detector.
- a nineteenth embodiment can include the portable gas detection system of any of the sixteenth through eighteenth embodiments, wherein the one or more low cost sensor unit comprises a plurality of gas sensors configured to detect a plurality of gases.
- a twentieth embodiment can include the portable gas detection system of any of the sixteenth through nineteenth embodiments, wherein the one or more low cost sensor unit comprises an electronics unit configured to communicate with one or more sensors and configured to communicate sensed data from the one or more sensors to at least one of the portable gas detector and the mobile device.
- the one or more low cost sensor unit comprises an electronics unit configured to communicate with one or more sensors and configured to communicate sensed data from the one or more sensors to at least one of the portable gas detector and the mobile device.
Abstract
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DE102021105014A1 (en) * | 2021-03-02 | 2022-09-08 | Dräger Safety AG & Co. KGaA | Method for evaluating data from at least one mobile and one stationary gas measuring device and system for monitoring at least one gas concentration |
CN113538849A (en) * | 2021-07-21 | 2021-10-22 | 山东众达安全科技有限公司 | Gas monitoring alarm system and method based on ad hoc network gas detector |
US11610472B1 (en) * | 2021-09-07 | 2023-03-21 | Honeywell International Inc. | Aspirating smoke detector device operational analysis |
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